Rule 8.3 - BURREN ENERGY

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              BURREN ENERGY
Class of relevant security    ORD GBP0.20
to which the dealings being
disclosed relate (Note 2)
Date of dealing               05 December 2007

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                           Long                        Short

                     Number       (%)           Number       (%)

(1) Relevant        4,645,562   3.29%          131,295     0.09%
securities
(2) Derivatives     2,726,506   1.93%        2,719,047     1.93%
(other than
options)
(3) Options and             0   0.00%                0     0.00%
agreements to
purchase/sell

Total               7,372,068   5.22%         2,850,342    2.02%

(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number             (%)    Number            (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


(c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

(a)  Purchases and sales

Purchase/sale Number of Securities Price per unit
                                   (GBP)
Purchase      1,991                12.4035
Purchase      13,156               12.5326
Purchase      650                  12.5365
Purchase      55,339               12.5439
Purchase      627                  12.4721
Purchase      13,000               12.5389
Purchase      96                   12.5316
Purchase      38,700               12.5424
Purchase      627                  12.4721
Purchase      500                  12.5321
Purchase      500                  12.5321
Purchase      13,000               12.5412
Sale          2,400                12.5000
Sale          90                   12.4610
Sale          500                  12.5408
Sale          100                  12.5410
Sale          435                  12.5408
Sale          100                  12.4610
Sale          1,310                12.5400
Sale          600                  12.5000
Sale          247                  12.5004
Sale          128                  12.5410
Sale          500                  12.5408
Sale          200                  12.5004
Sale          815                  12.5000
Sale          2,000                12.5300
Sale          1,000                12.5300
Sale          727                  12.5400
Sale          1,480                12.5000
Sale          500                  12.5100
Sale          446                  12.5100
Sale          10,836               12.5100
Sale          3,216                12.4900
Sale          500                  12.5321
Sale          5,105                12.5349
Sale          1,991                12.4035
Sale          1,991                12.4035
Sale          627                  12.4721
Sale          41,753               12.4500
Sale          10,207               12.5195
Sale          388                  12.4900

(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of Securities  Price Per
name,      (Note 6)      (Note 7)              Unit (GBP)
e.g. CFD
CFD        Short         627                   12.4721
CFD        Short         96                    12.5315
CFD        Short         500                   12.5321
CFD        Short         13156                 12.5325
CFD        Short         650                   12.5365
CFD        Short         38700                 12.5423
CFD        Short         55339                 12.5438
CFD        Long          1991                  12.4035
CFD        Long          10836                 12.51
CFD        Long          10207                 12.5195
CFD        Long          3420                  12.5328
CFD        Long          1685                  12.5388

(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry   Option money
e.g. call       selling,          securities to      price     American,       date     paid/received
option          purchasing,       which the option             European etc.            per unit (GBP)
                varying etc.      relates (GBP)

(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)




(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)





4.   OTHER INFORMATION
None

Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.





Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         06 December 2007
Contact name                               BARCLAYS COMPLIANCE
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk